Tin has better 冠付け of cold items such as beer or liquor to the
high thermal conductivity of Tin very than other metals, glass, ceramics.
Also from Tin heat transfer to air is lower than glass, etc., lasting and
improves the thermal insulation of cold and warmth, no dew condensation of summer!
In addition get rid of impurity
effects of ions and electrolyte effects pewter-mellow taste, true sake taste 嗜めます.